Gary Tubbytit Share definition Flag A cat that alway be eating and meowin. He so tubby his titties touch the floor. Katie gave Gary Tubbytit some chubbins, but he still runnin round and all meows. Better feed that fat ass some ham. Gary Tubbytit by Fecespenguin June 21, 2018 0 0 Get merch Get the Gary Tubbytit mug. Buy Now — $32.95 See more merch